Individual Healthcare Provider
Fei Gu, M.D.
Provider's NPPES record last updated: March 5, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1033302625
- Primary Specialty
- Internal Medicine — Medical Oncology
- Practice Location
- Santa Fe, New Mexico
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 1:29 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Medical Oncology
Allopathic & Osteopathic Physicians
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Taxonomy code 207RX0202X Internal Medicine
Hematology
Allopathic & Osteopathic Physicians
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Taxonomy code 207RH0000XStudent in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Internal Medicine (New Mexico)
- MD2015-0842
- Internal Medicine (Massachusetts)
- 250614
- Internal Medicine (New Hampshire)
- 34598
- Student in an Organized Health Care Education/Training Program (Massachusetts)
- 230285
Practice Locations
Practice Location
4200 Beckner Road
Santa Fe, New Mexico 87507
Phone: (505) 477-2200
Additional Practice Location
1 Medical Center Dr
Lebanon, New Hampshire 03756-0001
Phone: (603) 650-5000
Fax: (603) 650-5000
Record Information
- Enumeration Date
- August 27, 2007
- Provider's NPPES Record Last Updated
- March 5, 2026
- Certification Date
- March 5, 2026
- NPISignal NPPES Dataset
- August 2026
See Something Wrong?
Incorrect provider information
Everything on this page comes directly from the NPPES data CMS publishes. NPISignal cannot edit a provider's record — only the provider or organization can, directly through NPPES.
Update a record through NPPESSomething wrong with this page?
If NPISignal is displaying this data incorrectly — a formatting error, a broken link, a mismatch with the source file — let us know.
Report a display issue